Finding the Fourth Proportional to 706,913.84, 975,605.91 and 401,089.70
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Solution
The fourth proportional to 706,913.84, 975,605.91 and 401,089.70 is: 553,540.56
Step by Step Solution
- Step 1: Write the proportion equation
706,913.84 : 975,605.91 = 401,089.70 : x - Step 2: Convert to fraction form
706,913.84/975,605.91 = 401,089.70/x - Step 3: Cross multiply
706,913.84x = 975,605.91 × 401,089.70 - Step 4: Simplify right side
706,913.84x = 391,305,481,760.13 - Step 5: Solve for x
x = 391,305,481,760.13/706,913.84 - Step 6: Final answer
x = 553,540.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.